When it comes to any type of career, especially creative careers, it can be hard to measure when your skills are growing. In some careers, it's clear as day, but in others, it can be vague at best to figure out your skillset.
Deliberate practice is essentially both purposeful and systematic. It's deeper than simply just practicing your craft, it's the focused effort that results in getting better.
If you've been following my content, you know I love Cal Newport. His books and blogs explained a lot of theories I had rattling in my mind but couldn't put words to. His book, So Good They Can't Ignore You, focused on a lot of topics, but one of the key parts was around this idea of deliberate practice.